CN104319917A - Redundant half-tooth-winding magnetic flux switching motor - Google Patents
Redundant half-tooth-winding magnetic flux switching motor Download PDFInfo
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- CN104319917A CN104319917A CN201410593724.1A CN201410593724A CN104319917A CN 104319917 A CN104319917 A CN 104319917A CN 201410593724 A CN201410593724 A CN 201410593724A CN 104319917 A CN104319917 A CN 104319917A
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- 238000004804 winding Methods 0.000 title claims abstract description 92
- 230000004907 flux Effects 0.000 title claims abstract description 61
- 230000005284 excitation Effects 0.000 claims description 34
- 230000008859 change Effects 0.000 claims description 11
- 230000005389 magnetism Effects 0.000 claims description 4
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 2
- 230000005347 demagnetization Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 6
- 230000002427 irreversible effect Effects 0.000 description 6
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 239000012809 cooling fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/26—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with rotating armatures and stationary magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention discloses a redundant half-tooth-winding magnetic flux switching motor which comprises stator cores, permanent magnets, armature coils, magnet exciting coils, rotor cores and a shaft. The stator cores are provided with fault-tolerant teeth and permanent magnet teeth. Both the integrated armature coils and the integrated magnet exciting coils are wound on the fault-tolerant teeth. The magnet exciting coils can form a second set of armature windings through a power conversion circuit. A rotor is composed of the rotor cores and the shaft. The rotor cores are neither provided with the permanent magnets nor provided with armature windings. The switching motor is simple in structure and suitable for operating at a high speed. The switching motor has the advantages of being high in torque (power) density and high in torque output capacity and reliability. The permanent magnets are neither provided with the armature windings nor provided with exciting windings, and the permanent magnet high-temperature demagnetization caused by heating of the windings can be avoided effectively; the magnet exciting coils can form the second set of armature windings through the conversion circuit, and the fault-tolerant performance of the motor is improved, and various working modes are provided.
Description
Technical field
The present invention relates to a kind of brushless electric machine based on magnetic flux switching principle, particularly relate to a kind of redundancy-type half tooth around flux switch motor, belong to technical field of motor manufacture.
Background technology
Traditional stator permanent-magnet type flux switch motor has that torque (power) density is high, torque output capability is strong, efficiency advantages of higher, permanent magnet and centralized armature winding are all placed in stator side, be easy to cooling and heat radiation, rotor-side both without permanent magnet also without armature winding, structure is simple, mechanical strength is high, be applicable to high-speed cruising, and under the comparatively severe condition of environment can be operated in.Armature winding has consistency and complementarity, effectively can offset the high order harmonic component in every phase permanent magnet flux linkage and unloaded induced electromotive force, improves the sine of permanent magnet flux linkage and unloaded induced electromotive force waveform.
But, in applications such as wind power generation, New-energy electric vehicle, industrial drives, how electric aircraft/naval vessels, not only require that motor has good torque rotary speed characteristic, meet the condition that equipment operating condition is changeable, and have high demand to the reliability of electric system.At present, traditional flux switch permanent magnet motor all adopts a set of armature winding.When armature winding breaks down, motor will be caused normally to run, and load will be impacted; In addition, permanent-magnet type flux switch motor, only by permanent magnet excitation, there is the risk of high temperature irreversible demagnetization, and magnetic field is unadjustable, can not meet the changeable demand of motor running environment well.
A kind of redundant exciting double-armature winding multi-phase flux switching type motor with fault-tolerant teeth is proposed in file CN102290883A, there is two cover armature winding and set of excitation winding, make motor have several working ways, effectively improve fault-tolerant ability and the reliability of motor.But two cover armature winding distributions adopt radial symmetric structure, only having under a set of winding mode of operation, owing to there is monolateral armature field in air gap, will produce larger radial magnetic pull, and then cause larger torque pulsation and noise.
In addition, there is following general character in a kind of redundant exciting double-armature winding multi-phase flux switching type motor with fault-tolerant teeth proposed in traditional stator permanent-magnet type flux switch motor and file CN102290883A: magnetic pole of the stator is formed jointly by stator magnetic conduction unit and permanent magnet, centralized armature winding coil is wound on magnetic pole of the stator, and permanent magnet is comprised wherein.In machine operation process, armature winding produces copper loss, iron loss equal loss and generating heat because passing into alternating current, and the heat that armature winding produces will be directly passed to the permanent magnet contacted with it, and then causes permanent magnet temperature to rise, affect permanent magnet performance, even produce irreversible demagnetization.In addition, because the armature winding coil of stator permanent magnetic type flux switch motor is wound on the magnetic pole of the stator be jointly made up of stator magnetic conduction unit and permanent magnet, form the space of a relative closure, reduce the surface coefficient of heat transfer of permanent magnet, and the conductive coefficient in permanent magnet and cooling system between air or cooling fluid, be unfavorable for the heat transmission between permanent magnet and cooling system.Based on above-mentioned background and bottleneck problem, the present invention proposes a kind of redundancy-type half tooth around flux switch motor, to suppress the heating in motor operation course and to avoid permanent magnet generation irreversible demagnetization, thus meet the performance requirement of above-mentioned application to electric system comprehensively.
Summary of the invention
For the deficiencies in the prior art, the present invention proposes a kind of torque (power) density is high, efficiency is high, torque output capability, fault freedom are strong, reliability is high redundancy-type half tooth around flux switch motor, the heat produced in motor operation course can be effectively avoided to cause irreversible demagnetization to permanent magnet, simultaneously when armature winding breaks down, can be reconstructed by winding, improve fault freedom and the reliability of electric system in all directions.
To achieve these goals, the technical solution used in the present invention is:
Redundancy-type half tooth of the present invention comprises stators and rotators around flux switch motor, and described stators and rotators is salient-pole structure, and has air gap between the two; Described stator is formed by stator core, permanent magnet combination, and described stator core is made up of a fault-tolerant teeth, two magnetic teeth, and described fault-tolerant teeth forms " E " iron-core structure between two described magnetic teeth; Embed described permanent magnet between adjacent described stator core, described permanent magnet magnetizing direction is tangential, and the magnetizing direction of adjacent described permanent magnet is contrary; Adopt half tooth around the armature coil of structure and magnet exciting coil is parallel is arranged on described fault-tolerant teeth, and described armature coil and magnet exciting coil are concentratred winding;
Be separated by respectively three armature coils of 90 °, 180 ° and 270 ° of each armature coil and its central angle form a phase armature winding; Permanent magnet flux linkage in each armature coil in each phase armature winding is unipolarity change; The permanent magnet flux linkage phase place that in each phase armature winding, central angle is separated by two armature coils of 180 ° is identical, and mean value is identical, and magnetic linkage change has consistency, simultaneously the central angle permanent magnet flux linkage phase 180 of being separated by two armature coils of 90 °
o, and mean value is identical, magnetic linkage change has complementarity; Two armature coils that in each phase armature winding, central angle is respectively 0 ° and 90 ° are forward composed in series the first coil groups, two armature coils that central angle is respectively 180 ° and 270 ° are forward composed in series the second coil groups, described first coil groups and described second coil groups forward serial or parallel connection;
Each magnet exciting coil and each armature coil one_to_one corresponding in position, each magnet exciting coil forward magnet exciting coil group in series of position corresponding with armature coil in every phase armature winding; For redundancy excitation half tooth of a m phase around flux switch motor, m magnet exciting coil group should be formed.Its connected mode can have two kinds of selections according to motor ruuning situation: 1) each magnet exciting coil group is forward connected becomes a set of DC excitation winding, realizes motor redundant excitation and runs; 2) each magnet exciting coil group adopts and is connected with the identical connected mode of armature winding " star " shape, forms other a set of armature winding, realizes motor redundant armature travel.In a word, no matter be redundancy excitation or redundancy armature, all can improve the fault-tolerant operation ability of motor, reliability and control flexibility.
Described bilayer is arranged at armature coil and magnet exciting coil position on described fault-tolerant teeth and can exchanges.
Described rotor is made up of rotor core and axle, and described rotor core is arranged on stator core Inner Constitution inner rotor core, or is arranged on stator core outside formation outer-rotor structure.Rotor core can be straight groove structure or flume structure.
Described stator core, fault-tolerant teeth, permanent magnetism tooth and rotor core are permeability magnetic material.Permanent magnet is neodymium iron boron, SmCo and ferrite permanent-magnet materials.
Compared with prior art, the invention has the beneficial effects as follows:
1) redundancy-type half tooth has around flux switch motor that traditional stator permanent-magnet type flux switch motor torque (power) density is high, torque output capability is strong, efficiency advantages of higher.
2) permanent magnet cutting orientation magnetizing, and adjacent two pieces of permanent magnet magnetizing directions are contrary, the magnetic flux namely under a magnetic pole in fault-tolerant teeth is provided by adjacent two pieces of permanent magnet parallel connections, has poly-magnetic characteristic, effectively improve the utilance of permanent magnet, add Driving Torque density and power density.
3) armature winding and excitation winding are centralized coil and form, adopt half tooth around structure, reduce the length of End winding, compared with the traditional stator permanent-magnet type flux switch motor proposed in file CN101079557A, the armature coil of motor of the present invention and magnet exciting coil are all arranged on fault-tolerant teeth, End winding span is less, reduces copper loss, improves motor operational efficiency.
4) every phase armature winding has complementary characteristic.High order harmonic component, particularly even-order harmonic in the permanent magnet flux linkage of two cover coil groups institute linkages of every phase winding can cancel each other, and optimize the sine of permanent magnet flux linkage, inhibit the harmonic content of unloaded induced potential.
5) armature coil and magnet exciting coil are all arranged on fault-tolerant teeth, and permanent magnet is separated with armature coil and magnet exciting coil, can effectively prevent in machine operation process, and the permanent magnet high temperature that armature coil and magnet exciting coil generate heat and cause demagnetizes.
6) armature coil and magnet exciting coil are all arranged on fault-tolerant teeth, add the area of dissipation of permanent magnet, improve the conductive coefficient between air in the surface coefficient of heat transfer of permanent magnet and permanent magnet and cooling system or cooling fluid, inhibit the temperature rise of permanent magnet; In addition, the heat that armature coil and magnet exciting coil produce is transmitted by fault-tolerant teeth, stator core yoke portion and stator permanent magnet tooth.Under the condition of cooling system normal operation, only some heat passes to permanent magnet, effectively reduces the rising of permanent magnet temperature.
7) need the operating mode of adjustment at air-gap field under, by translation circuit, magnet exciting coil group is forward connected common excitation winding, excitation winding and permanent magnet provide air-gap field jointly, achieve the controllability in motor gas-gap magnetic field, both can improve the Driving Torque density of motor by increasing magnetic, also can pass through weak magnetic, expand the Constant-power speed range of motor, motor is run there is better controllability.
8) when permanent magnet generation irreversible demagnetization fault, provide excitation field by electric excitation winding, maintain the normal operation of motor, improve the fault-tolerant ability of motor.
9) when armature winding breaks down, excitation winding pole coil group, by external translation circuit, reconstructs the second cover armature winding, achieves the fault-tolerant operation of armature winding, improve the reliability of electric system.
10) under motor high torque (HT) exports operating mode, excitation winding pole coil group, by external translation circuit, forms the second cover armature winding, jointly produces armature field, improve Driving Torque density and power density, meet the requirement that motor driven systems running environment is changeable.
11) redundancy-type half tooth of the present invention is around flux switch motor, because complementary characteristic makes the magnetic field energy in two complementary coil groups place main magnetic circuits positive and negative contrary with the derivative of rotor relative position, cancel out each other, effectively reduce the size of location torque, inhibit Driving Torque to pulse.
12) redundancy-type half tooth of the present invention is around flux switch motor, it is characterized in that this motor both can do electric operation and also can do generator operation.
Accompanying drawing explanation
Fig. 1 is that redundancy-type half tooth of the present invention is around flux switch motor structural representation;
Fig. 2 is that redundancy-type half tooth of the present invention is around flux switch motor excitation winding translation circuit schematic diagram;
Fig. 3 be redundancy-type half tooth of the present invention under the pure permanent magnet excitation condition of flux switch motor, permanent magnet flux linkage in single phase winding;
Fig. 4 be redundancy-type half tooth of the present invention under flux switch motor different exciting operating mode, permanent magnet flux linkage in single phase winding;
The three-phase permanent magnetic linkage of institute's linkage in the redundancy armature winding that Fig. 5 is formed around flux switch motor armature winding and magnet exciting coil group for redundancy-type half tooth of the present invention;
Fig. 6 is that redundancy-type half tooth of the present invention is around flux switch motor location torque.
In figure: 1, stator core, 2, fault-tolerant teeth, 3, magnetic teeth, 4, permanent magnet, 5, armature coil, 6, magnet exciting coil, 7, rotor core, 8, axle.
Embodiment
Redundancy-type half tooth of the present invention around flux switch motor, below for three-phase redundancy-type half tooth around flux switch motor, elaborate the specific embodiment of the present invention.
As shown in Figure 1, flux switch motor of the present invention comprises stators and rotators, and described stators and rotators is salient-pole structure, and has air gap between the two; Described stator is combined by stator core 1, permanent magnet 4, and described stator core 1 is made up of a fault-tolerant teeth 2, two magnetic teeth 3, and described fault-tolerant teeth 2 forms " E " iron-core structure between two described magnetic teeth 3; Embed described permanent magnet 4 between adjacent described stator core 1, described permanent magnet 4 magnetizing direction is tangential, and the magnetizing direction of adjacent described permanent magnet 4 is contrary; Adopt half tooth around the armature coil 5 of structure and magnet exciting coil 6 is parallel is arranged on described fault-tolerant teeth 2, and described armature coil 5 and magnet exciting coil 6 are concentratred winding.
In described A phase armature winding, armature coil 511 differs 90 respectively with armature coil 512,513,514 locus central angle
o, 180
owith 270
o; Permanent magnet flux linkage in each armature coil 5 in each phase armature winding is unipolarity change; Diametrically, in armature coil, the permanent magnet flux linkage phase place of linkage is identical, and mean value is identical for armature coil 511 and 513, magnetic linkage change has consistency, in like manner, diametrically, in armature coil, the permanent magnet flux linkage change of linkage also has consistency to armature coil 512 and 514; Armature coil 511 differs 90 ° with 512 locus central angles, the permanent magnet flux linkage phase 180 in armature coil
o, and mean value is identical, magnetic linkage change has complementarity, and therefore forward series connection becomes First Line circle group, and in like manner, armature coil 513 and 514 locus central angle is separated by 90 °, and magnetic linkage change also has complementarity, and therefore forward series connection becomes the second coil groups; Described first coil groups and described second coil groups forward serial or parallel connection.
Each magnet exciting coil 6 and each armature coil 5 one_to_one corresponding on locus, be 611,612,613 and 614 with the magnet exciting coil of armature coil 511,512,513 and 514 correspondence position in A phase armature winding, described four magnet exciting coils are an excitation winding pole coil group a ' in series forward; In like manner, magnet exciting coil 621,622,623 and 624 in B phase armature winding under armature coil correspondence position is an excitation winding pole coil group b ' in series forward, and the magnet exciting coil 631,632,633 and 634 in C phase armature winding under armature coil correspondence position is an excitation winding pole coil group c ' in series forward; Described three excitation winding pole coil group a ', b ' and c ', its connected mode can according to motor ruuning situation, and by power conversion circuit, forward series connection becomes set of excitation winding, or " star " shape connects and composes the second cover armature winding.Operation logic is see Fig. 2, and when switch 1 and switch 2 are all placed in right side, three excitation winding a ', b ' and c ' forward head and the tail series connection, form set of excitation winding, and by passing into exciting current adjustment air-gap field, the redundancy excitation realizing motor is run; When switch 1 and switch 2 are placed in left side simultaneously, three excitation winding a ', b ' are connected with c ' " star " shape, reconstruct the second cover armature winding, realize the redundancy armature travel of motor.Above-mentioned two kinds of operational modes all high degree improve the reliability of electric system.
Described stator core 1, fault-tolerant teeth 2, permanent magnetism tooth 3 are silicon steel sheet with rotor core 7, and permanent magnet 4 is the permanent magnet materials such as neodymium iron boron, SmCo, ferrite.
Three-phase redundancy-type half tooth, around flux switch motor, has that traditional stator permanent-magnet type flux switch motor torque (power) density is high, torque output capability is strong, efficiency advantages of higher.Every phase armature winding has complementary characteristic, counteract the permanent magnet flux linkage high order harmonic component particularly even-order harmonic of two cover coil groups institute linkages in every phase winding, optimize the sine of permanent magnet flux linkage, inhibit the harmonic content of unloaded induced electromotive force, single-phase armature winding permanent magnet magnetic linkage waveform is with reference to shown in accompanying drawing 3.
Armature coil and magnet exciting coil are all around the home on fault-tolerant teeth, and permanent magnet is separated with armature coil and magnet exciting coil, effectively prevent in machine operation process, and the permanent magnet high temperature that armature coil and magnet exciting coil generate heat and cause demagnetizes.Due on permanent magnet and adjacent permanent magnetism tooth both without armature coil also without magnet exciting coil, add the area of dissipation of permanent magnet, improve the conductive coefficient between air in the surface coefficient of heat transfer of permanent magnet and permanent magnet and cooling system or cooling fluid, reduce the temperature rise of permanent magnet; In addition, the heat that armature coil and magnet exciting coil produce is transmitted by fault-tolerant teeth, stator core yoke portion and stator permanent magnet tooth, and under the condition being provided with cooling system, only some heat passes to permanent magnet, effectively inhibits the rising of permanent magnet temperature.
Known with reference to accompanying drawing 6, redundancy-type half tooth is around flux switch motor, because magnetic circuit has complementary characteristic, magnetic field energy in two complementary coil groups place main magnetic circuits is positive and negative contrary with the derivative of rotor relative position, cancel out each other, effectively reduce the size of location torque, inhibit Driving Torque to pulse.
Redundancy-type half tooth has following characteristics around flux switch motor when different operating mode is run:
1, pure permanent magnet excitation: now motor only produces excitation field by permanent magnet, regulates the Driving Torque of motor, power density and speed adjusting performance by controlling armature supply.By the translation circuit shown in Fig. 2, excitation winding is transformed to the second cover armature winding co-operation, improves Driving Torque and power density.
2, composite excitation: excitation winding and permanent magnet provide air-gap field jointly, achieve the controllability in motor gas-gap magnetic field, both Driving Torque and the dynamic function of motor can have been improved by increasing magnetic, weak magnetic can also be passed through, expand the Constant-power speed range of motor, motor is run there is better controllability.In addition, by the cooperation control of exciting current and armature supply, can realize the On-line efficiency optimization of electric system within the scope of whole service, excitation winding to the adjustment of permanent magnet flux linkage as shown in Figure 4.
3, failure operation:
(1) permanent magnet demagnetization fault: when permanent magnet generation irreversible demagnetization fault, provide excitation field by electric excitation winding, maintain the normal operation of motor, improve the fault-tolerant ability of motor.
(2) armature winding fault: when armature winding breaks down, excitation winding, by external translation circuit, forms the second cover armature winding, achieves the fault-tolerant operation of motor, improve motor reliability of operation, in armature winding and redundancy armature winding, permanent magnet flux linkage as shown in Figure 5.
Below be only embody rule example of the present invention, protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the present invention's scope required for protection.
Claims (6)
1. redundancy-type half tooth is around flux switch motor, comprises stators and rotators, and described stators and rotators is salient-pole structure, and has air gap between the two; Described stator is combined by stator core (1), permanent magnet (4), described stator core (1) is made up of a fault-tolerant teeth (2), two magnetic teeth (3), and described fault-tolerant teeth (2) is positioned between two described magnetic teeth (3) and forms " E " iron-core structure; Embed described permanent magnet (4) between adjacent described stator core (1), described permanent magnet (4) magnetizing direction is tangential, and the magnetizing direction of adjacent described permanent magnet (4) is contrary; It is characterized in that, adopt half tooth around the armature coil (5) of structure and magnet exciting coil (6) is parallel is arranged on described fault-tolerant teeth (2), and described armature coil (5) and magnet exciting coil (6) are concentratred winding;
Be separated by respectively three armature coils (5) of 90 °, 180 ° and 270 ° of each armature coil (5) and its central angle form a phase armature winding; Permanent magnet flux linkage in each armature coil (5) in each phase armature winding is unipolarity change; The permanent magnet flux linkage phase place that in each phase armature winding, central angle is separated by two armature coils (5) of 180 ° is identical, and mean value is identical, magnetic linkage change has consistency, simultaneously the central angle permanent magnet flux linkage phase 180 of being separated by two armature coils (5) of 90 °
o, and mean value is identical, magnetic linkage change has complementarity; Two armature coils (5) that in each phase armature winding, central angle is respectively 0 ° and 90 ° are forward composed in series the first coil groups, two armature coils (5) that central angle is respectively 180 ° and 270 ° are forward composed in series the second coil groups, described first coil groups and described second coil groups forward serial or parallel connection;
Each magnet exciting coil (6) and each armature coil (5) one_to_one corresponding on locus, with each magnet exciting coil (6) of each armature coil (5) correspondence position forward magnet exciting coil group in series in every phase armature winding; Each magnet exciting coil group adopts the forward set of excitation winding that can regulate air-gap field in series, or each magnet exciting coil group adopts " star " type to connect and compose a set of armature winding.
2. redundancy-type half tooth according to claim 2 is around flux switch motor, it is characterized in that, described is parallelly arranged at the upper armature coil (5) of described fault-tolerant teeth (2) and magnet exciting coil (6) position can exchange.
3. redundancy-type half tooth according to claim 1 is around flux switch motor, it is characterized in that, described rotor is made up of rotor core (7) and axle (8), described rotor core (7) is arranged on stator core (1) Inner Constitution inner rotor core, or is arranged on stator core (1) outside formation outer-rotor structure.
4. redundancy-type half tooth according to claim 4 is around flux switch motor, it is characterized in that, described rotor core (7) can be straight groove structure or flume structure.
5. redundancy-type half tooth according to claim 1 is around flux switch motor, it is characterized in that, described stator core (1), fault-tolerant teeth (2), permanent magnetism tooth (3) and rotor core (7) are permeability magnetic material.
6. redundancy-type half tooth according to claim 1 is around flux switch motor, it is characterized in that, described permanent magnet (4) is neodymium iron boron, the permanent magnetic material such as SmCo and ferrite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593724.1A CN104319917B (en) | 2014-10-30 | 2014-10-30 | Redundancy-type half tooth is around flux switch motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410593724.1A CN104319917B (en) | 2014-10-30 | 2014-10-30 | Redundancy-type half tooth is around flux switch motor |
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| CN104319917A true CN104319917A (en) | 2015-01-28 |
| CN104319917B CN104319917B (en) | 2016-10-05 |
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| CN104716811A (en) * | 2015-02-09 | 2015-06-17 | 北京理工大学 | Switch magnetic flow arc-shaped permanent magnet motor |
| CN105553128A (en) * | 2016-01-25 | 2016-05-04 | 江苏大学 | Hybrid excitation flux switching motor |
| CN106787560A (en) * | 2017-01-20 | 2017-05-31 | 东南大学 | Armature divergence type exchanges mixed excitation electric machine |
| CN107364367A (en) * | 2017-08-15 | 2017-11-21 | 东南大学盐城新能源汽车研究院 | A kind of integrated motor driving and on-board charging system based on more excitation source motors |
| CN110098707A (en) * | 2019-04-09 | 2019-08-06 | 浙江大学 | A kind of long magnetic teeth double-convex pole hybrid excitation motor |
| CN112787563A (en) * | 2021-01-28 | 2021-05-11 | 南京航空航天大学 | Stepped-region self-regulating magnetic stepless speed regulating system and method based on rotor magnetic pole modulation |
| CN113285571A (en) * | 2021-07-26 | 2021-08-20 | 天津东凡科技股份有限公司 | Redundant excitation double-speed winding stator permanent magnet generator |
| CN113659739A (en) * | 2021-08-17 | 2021-11-16 | 浙江大学 | Novel modular motor stator |
| CN114268204A (en) * | 2022-03-01 | 2022-04-01 | 天津滨海高新区河工电器科技有限公司 | Flux switching motor with double permanent magnets and double armature windings |
| CN114498996A (en) * | 2022-02-17 | 2022-05-13 | 沈阳工业大学 | Double-m-phase winding separated type asymmetric axial flux permanent magnet motor |
| CN114640195A (en) * | 2022-04-20 | 2022-06-17 | 江苏大学 | Multi-interval efficient permanent magnet fault-tolerant motor and high-reliability operation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2169804A2 (en) * | 2008-09-24 | 2010-03-31 | Rolls-Royce plc | Flux-switching magnetic machine |
| CN102231576A (en) * | 2011-06-24 | 2011-11-02 | 大连名阳实业有限公司 | Self-fault tolerance magnetic flux switching permanent magnet motor |
| CN102290883A (en) * | 2011-08-26 | 2011-12-21 | 东南大学 | Redundant excitation double-armature winding multiphase magnetic flux switching motor with fault-tolerant teeth |
| GB2485217A (en) * | 2010-11-05 | 2012-05-09 | Imra Europe Sas | Flux-switching permanent magnet electric motor |
-
2014
- 2014-10-30 CN CN201410593724.1A patent/CN104319917B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2169804A2 (en) * | 2008-09-24 | 2010-03-31 | Rolls-Royce plc | Flux-switching magnetic machine |
| GB2485217A (en) * | 2010-11-05 | 2012-05-09 | Imra Europe Sas | Flux-switching permanent magnet electric motor |
| CN102231576A (en) * | 2011-06-24 | 2011-11-02 | 大连名阳实业有限公司 | Self-fault tolerance magnetic flux switching permanent magnet motor |
| CN102290883A (en) * | 2011-08-26 | 2011-12-21 | 东南大学 | Redundant excitation double-armature winding multiphase magnetic flux switching motor with fault-tolerant teeth |
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| CN105553128A (en) * | 2016-01-25 | 2016-05-04 | 江苏大学 | Hybrid excitation flux switching motor |
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| CN112787563B (en) * | 2021-01-28 | 2022-06-17 | 南京航空航天大学 | Stepped-region self-regulating magnetic stepless speed regulating system and method based on rotor magnetic pole modulation |
| CN112787563A (en) * | 2021-01-28 | 2021-05-11 | 南京航空航天大学 | Stepped-region self-regulating magnetic stepless speed regulating system and method based on rotor magnetic pole modulation |
| CN113285571A (en) * | 2021-07-26 | 2021-08-20 | 天津东凡科技股份有限公司 | Redundant excitation double-speed winding stator permanent magnet generator |
| CN113659739A (en) * | 2021-08-17 | 2021-11-16 | 浙江大学 | Novel modular motor stator |
| CN114498996A (en) * | 2022-02-17 | 2022-05-13 | 沈阳工业大学 | Double-m-phase winding separated type asymmetric axial flux permanent magnet motor |
| CN114498996B (en) * | 2022-02-17 | 2023-08-18 | 沈阳工业大学 | Double m-phase winding separated type asymmetric axial flux permanent magnet motor |
| CN114268204A (en) * | 2022-03-01 | 2022-04-01 | 天津滨海高新区河工电器科技有限公司 | Flux switching motor with double permanent magnets and double armature windings |
| CN114640195A (en) * | 2022-04-20 | 2022-06-17 | 江苏大学 | Multi-interval efficient permanent magnet fault-tolerant motor and high-reliability operation method thereof |
| CN114640195B (en) * | 2022-04-20 | 2023-08-15 | 江苏大学 | Multi-region permanent magnet fault-tolerant motor and operation method thereof |
| CN115065178A (en) * | 2022-06-06 | 2022-09-16 | 河北工业大学 | Integrated double-module flux reversal motor of vehicle-mounted charger |
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